(also ikon) a religious image, e.g. of Christ, the Virgin Mary, or a saint, typically painted on a small wooden panel and used as an aid to devotion in the Eastern Orthodox churches

a pictorial representation; an image or symbol

a person or thing regarded with great devotion or respect as representative of a culture, movement, etc

in computing, a picture or symbol displayed on a screen VDU or a monitor to show a program option or a facility available to the user